Form4insider filings, from the source

Company · CIK 0001022079 · SIC 8071 — Services-Medical Laboratories · NYSE

QUEST DIAGNOSTICS INC · DGX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $7.9M · 2net −$7.9M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 SForm 4 →Sep 3, 5:05 pm EDTJ. E. DavisCEO and President, Director10,000$242.72$2,427,200122,423−7.55%10b5-1
Aug 28, 2026 SForm 4 →Aug 31, 4:37 pm EDTMichael E PrevoznikSVP & General Counsel22,677$243.11$5,513,08337,557−37.6%10b5-1
Aug 28, 2026 GMForm 4 →Aug 31, 4:37 pm EDTMichael E PrevoznikSVP & General Counsel23,677$112.17$2,543,67936,557—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 28, 2026 MForm 4 →Aug 31, 4:37 pm EDTMichael E PrevoznikSVP & General Counsel22,677$112.17$2,543,6790—10b5-1